WIP: netlist property framework

- NetlistProperty is the base class for objects that can
  be attached to shapes for annotation
- First property type implemented: net name is a way
  to annotate net names

testdata/ruby/dbNetlistProperty.rb

@@ -0,0 +1,81 @@
+# encoding: UTF-8
+
+# KLayout Layout Viewer
+# Copyright (C) 2006-2018 Matthias Koefferlein
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+if !$:.member?(File::dirname($0))
+  $:.push(File::dirname($0))
+end
+
+load("test_prologue.rb")
+
+class DBNetlistProperty_TestClass < TestBase
+
+  def test_1_Basic
+
+    np = RBA::NetlistProperty::new
+    assert_equal(np.is_a?(RBA::NetlistProperty), true)
+    assert_equal(np.to_s, "")
+
+    np2 = RBA::NetlistProperty::from_s("")
+    assert_equal(np2.is_a?(RBA::NetlistProperty), true)
+
+  end
+
+  def test_2_NetName
+
+    np = RBA::NetNameProperty::new
+    assert_equal(np.is_a?(RBA::NetlistProperty), true)
+    assert_equal(np.is_a?(RBA::NetNameProperty), true)
+    assert_equal(np.to_s, "name:''")
+
+    np.name = "abc"
+    assert_equal(np.to_s, "name:abc")
+    assert_equal(np.name, "abc")
+
+    np2 = RBA::NetlistProperty::from_s("name:xyz")
+    assert_equal(np2.is_a?(RBA::NetlistProperty), true)
+    assert_equal(np2.is_a?(RBA::NetNameProperty), true)
+    assert_equal(np2.name, "xyz")
+
+  end
+
+  def test_3_VariantBinding
+
+    ly = RBA::Layout::new
+    l1 = ly.insert_layer(RBA::LayerInfo::new(1, 0))
+    tc = ly.create_cell("TOP")
+    shapes = tc.shapes(l1)
+
+    box = shapes.insert(RBA::Box::new(0, 0, 1000, 2000))
+
+    # dry run
+    box.set_property("a", 17)
+    assert_equal(box.property("a"), 17)
+    
+    # set a NetNameProperty:
+    box.set_property("nn", RBA::NetNameProperty::new("net42"))
+    nn = box.property("nn")
+    assert_equal(nn.is_a?(RBA::NetlistProperty), true)
+    assert_equal(nn.is_a?(RBA::NetNameProperty), true)
+    assert_equal(nn.name, "net42")
+
+  end
+
+end
+
+load("test_epilogue.rb")